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This page describes features in an obsolete version of CHDK. It is left here for historical interest. Any information here is almost certainly out of date. This CHDK version was formerly also known as the juciphox branch, also known as as "the Collaborative Build" or "MoreBest build".
This documentation needs to be merged with the documentation for the builds it is based on.
(This is a beginning documentation in progress. If anyone spots any errors please correct them.
Only those features that are unique to the new MoreBest Build will be covered here. All other pre-existing features may be found on the original GrAnd Firmware and AllBest Firmware usage pages.) Now the MoreBest/AllBest build has been brought into the main CHDK build so these feature will be found in the main CHDK Build
Address of Autobuild Server: http://mighty-hoernsche.de/chdk/
- those links to the other pages shouldn't be struck-out just yet. they contain all the information on how to operate all the features that appear in all builds earlier than this one, this page doesn't include all that information. if someone comes to this page they'll think this page is all there is to know, they'll be lost trying to figure out what all the earlier main features are for and what they do. i don't see any information here on how to even enter <alt> mode or organize their display, do you?
Important: We need people to write for example the readme files that are automatically put into the autobuilded archive. right now these are stubs. we need a readme for vxworks and one for dryos (difference is PS.FIR). it should include a basic info about chdk but more importantly an in-deep tutorial how to get chdk on the card and also to boot the cam with it. also information on how to partition etc, also for other OSes like linux and mac. the information is in the wiki already, but i am not so much of an information gatherer... PhyrePhoX 01:24, 8 August 2008 (UTC)
- I posted one on the discussion page for this build. But it didn't turn out very short. Maybe someone can edit it.
- thanks! As you may have noticed, i used it in the latest build 0.3.0. So now we have vxworks (windows) fixed, somehow we need documents regarding dryos and other PC-OSes (linux etc). i lack the knowledge in these fields.
Also we need texts regarding grids, scripts and deeper information about chdk - these texts will be autozipped into the "books" folder, so you got all the information you need on the road. Also, we can now gather in special "notes.txt" information about each camera, things like "on this cam there is no real aperture, so no need for searching the setting", or for example on the s5is "video overrides are not working as of now". in these texts (i put them into each platform folder in the svn) we can put limitations or special remarks regarding ONE platform. i hope you catch my drift here, what i'm trying to accomplish with that.
- Added another one for the /CHDK/GRIDS/readme.txt file, on the "Discussion Page". I didn't know what the 3to8.grd file is used for though, someone needs to clarify that. And while I'm typing... could you add in the SYSCURVES.CVF into the auto-build in the right folder (/CHDK/)? That seems to be needed to make one of the very important JuciPhoX features work. Doesn't seem right to have to make people go hunt down that file, other than to make them also get the editor. (Which could be included too? As it is only 56k uncompressed. Or at least available as a small zip from the auto-build download page. Maybe even include a small collection of sample curve files in the /CURVES/ folder.)
- Updated the /GRIDS/readme.txt file to act more as a stand-alone "Grids Manual". Should be enough so most people can easily design their own grid files from it, as well as basic grid-file info/usage-instructions for CHDK virgins.
MoreBest Firmware Usage
Extra Photo OperationsEdit
- Allows the use of a half-press + button press to quickly toggle any override settings on and off. The status of your overrides will appear where you normal override settings are displayed in the OSD but in your chosen warning color. (See "Visual Settings")
- OFF - Turns off the "Disable Overrides" shortcut option.
- ON - Starts out with any override settings DISABLED. In display you will see "NO OVERRIDES"
- Disabled - Starts out with any override settings enabled.
- The "ON" and "Disabled" options allow you to use this feature in your custom menu (or where it is) as your quick override toggle instead of using any shortcut key. Some cameras may not have the shortcut feature available.
Include AutoISO & BracketingEdit
- Includes AutoISO and Bracketing settings in the "Disable Override" settings. If not enabled then your AutoISO and Bracketing settings will not be turned on nor off by the "Disable Override" shortcut button.
Enable Fast EV SwitchEdit
(exposure value (EV) denotes all combinations of a camera's shutter speed and relative aperture that give the same exposure)
- Turns your and buttons into a quick EV compensation buttons. You no longer have to press your or buttons to adjust your EV settings while shooting. There is also a screen display showing your chosen EV-compensation settings by whatever step-size you have chosen (see below). It is advisable to move your OSD EV override display over your camera's own to prevent confusion.
- Note: when changing the EV compensation with this shortcut you will not see the image updated with your chosen EV change until you half-press the shutter. However, on cameras that have their own built-in histogram function, if display of Canon's own histogram is enabled on your screen then you will see a real-time change in your EVF/LCD as you change your EV values with this new short-cut.
- Update: This routine has been perfected in the S3 IS camera at this time. Now you can instantly see your EV-Compensation effect in the EVF/LCD display. It even works during a half-press while your Zebra Mode is engaged. You can fine-tune when the Zebra alert disappears just by pressing your up or down buttons! When used in conjunction with the new Curves "Auto DR" Mode you should never miss another blown highlight or dropped shadow again. Hopefully the right addresses will be found to add this vast improvement into all other models soon. One drawback: If using your up and down buttons during a half-press to see your Zebra alerts while changing your EV setting, it will toggle your "Disable Overrides" on and off if you have that feature engaged as well. A small price to pay for the ability to have these amazing features. One work-around, set your EV step-size to 1/2 what you normally would use, then the "Disable Overrides" shortcut will always toggle back to your original ON (or OFF) on every 2nd EV +/- press, effectively resetting it where you wanted it in the first place. :)
- Note too: This change is not saved between camera power-downs. If you would always like to start out with a small negative preset EV value to avoid blown highlights, then use Canon's own EV compensation setting for your startup EV value. This Fast EV Switch will reflect that value on startup.
Step Size (1EV)?Edit
- When using the Fast EV shortcut feature you can adjust how much you want to change your EV compensation with each or keypress. Step size is adjustable from 1/6EV up to 4EV in 1/6th EV increments. A major improvement over the adjustment levels and steps available in Canon's firmware.
- Don't always shows the OSD icons/elements
- In Playback hides them in playback
- On Display hides them when you toggle the CANON icons on/off with the display button (does not work for the evf)
- Both hides OSD in both playback and by "display button cycling"
- A boon to those who were bothered by seeing the battery and other indicators in their playback screens.
- A cosmetic adjustment to your CHDK Menu screens to evenly place them on the screen.
Always Select First Entry in MenuEdit
- Quickly position your menu-selection cursor on the first entry in any CHDK menu. Instead of having to press once to enter the menu options it will now start out already on the first menu option.
User Menu EnableEdit
- Enables you to create your own customized User Menu with up to 10 entries. The Main CHDK Menu will be available at the top of your customized User-Menu.
- Off = CHDK Menu system behaves as normal, no customized User Menu will be displayed.
- On = When entering <ALT> mode and then pressing your button, instead of seeing the main CHDK menu system you will see YOUR customized User-Menu that you have defined. The CHDK Main Menu may still be selected from your custom menu.
- On Dire(ct) = Your customized User Menu will appear as soon as you enter <ALT> mode. Pressing your button once will display the original Main CHDK Menu, Pressing again will exit from CHDK's menu system(s) and return you to plain <ALT> mode, where you can use your <ALT> shortcut keys (e.g. RAW toggle, OSD toggles, script execution an more).
- Edit = Enables the customizable User Menu Edit mode.
- To copy other menu-items to build your custom menu (Up to 10 entries):
- Still in the OSD parameters menu, select User Menu Enable [ Edit], now browse to any menu and select the item you want to add to the User Menu, then press or the equivalent button (the on IXUS/SD series, on some cameras of the SX series) on your camera.
- The item has now been added to your User Menu (you'll see no response to this on the screen). Each new item is added as the lowest on the menu.
- To delete an item, select the item in Edit Mode and press (or the equivalent button).
- When editing is complete remember to set the User Menu Enable option back from "Edit" to either "On" or "On Direct".
- You can easily return to the Main Menu by selecting it at the top of the User Menu.
- Customizing hint/reminder: Some CHDK features require 2 or more options that work together. An example, "Override Shutter Speed" might also need its associated "Value Factor" selection and the "Shutter Speed Enum Type" if you change that too frequently. Be sure to copy any related menu items together so they are still available where you need them in your custom menu.
User Menu as RootEdit
- Toggles the behaviour of the menus, when the User Menu is turned ON. When this option is set, then the User Menu will be the first one to be seen, and the main menu may be reached by using the [HALF-PRESS] + shortcut keys.
- Displays your Override, Bracketing, and Override Disabled settings in their own positionable information area.
- OFF - No display of camera component temperatures.
- Optical - Displays the temperature of your optical elements (most assume this is used for the IS mechanism and Zoom/Focus motors). When the camera is first turned on this will most accurately reflect the environmental temperature.
- CCD - Display the temperature of the CCD. Lets you know when it might be getting too warm. Or when it's cold enough to take lower-noise images.
- Battery - Displays the temperature of the battery compartment.
- NOTE: 3rd party LI-ION battery packs may always report a constant temperature, e.g. 25°C or 28°C.
- All - Displays all three values.
- 1st NOTE: All temperatures are displayed in Centigrade. (Westerners will have to wait until they put in a quick F=(9C/5)+32 function for us. Until then just know that you're not going to freeze when it displays 20.)
- 2nd Note: The Fahrenheit feature has now been added, it automatically kicks in when you enable the 12h clock format, which I'm afraid you will do, you conservative US citizens, you :D ;) (PP)
- Conservative US Citizen's Note: Yes we will! It's so hard to teach an old brain-lobe new tricks. THANK-YOU! :D In the US, "18 degrees" auto-mentally translates to "thermal underwear for ice-fishing"! :D
- 3rd NOTE: Not all models have a separate temperature sensor for each component, and due to differences in design, values reported by different models may not be directly comparable.
During shoot mode half or full press this feature adds an overlay based on the image edges, additionally a grid that matches the Canon grid is added.
- Use the , , or buttons to shift the overlay (use it in <Alt> mode to avoid changing the camera options).
- The edge overlay is frozen when taking a shot. The frozen edges are displayed from then on when the shutter gets half-pressed, FROZEN is shown in the OSD.
- When you shoot again it goes back to the original behavior: showing the edges of the current image on half-press. This behavior is useful when shooting stereo pairs. For panoramas you would want to freeze the edges after every full press.
- Zebra mode should be disabled when using the Edge Overlay
Enable edge overlayEdit
- Creates and overlays a high-contrast outline of the edges in the last half-press or shot that you took. Valuable for those that want to align features for panorama stitching or for doing stop-frame animations. Similar to an "onion-skinning" mode in animation software.
Edge overlay thresholdEdit
- Set the edge-overlay sensitivity. Lower values create edges along lower contrast / lower-brightness edges. Higher values only create edges on the highest contrast / brightest boundaries, and therefore fewer, finer, and more well defined lines. Adjust as per your needs.
Edge overlay colorEdit
- When selected press to display the standard color selection palette, to choose your edge-overlay highlighting color. Choose your color then press again to register that color with this function.
Show Filespace IconEdit
- Displays a small SD-card shaped icon on your screen to show how much filespace is left on your SD card. Opaque means remaining free space. Transparent means that space has been used. Use the OSD Layout Editor to position the icon anywhere on your screen.
Show Space BarEdit
- Displays a thin SD capacity remaining "fuel-gauge" icon on your screen. Location is positionable in your OSD Layout Editor.
- Don't - Turn off this feature.
- Horizont - Displays the bar-graph gauge in a horizontal orientation.
- Vertical - Displays the bar-graph gauge in a vertical orientation.
Size on ScreenEdit
- Changes the display size of your "Space Bar" SD-capacity gauge.
- 1/4 - the bar-graph only goes 1/4th the width or height of your EVF/LCD display.
- 1/2 - the bar-graph goes 1/2 the width or height of your EVF/LCD display.
- 1 - the bar-graph goes the full width or height of your EVF/LCD display.
- Change the width (for vertical space-bar) or height (for horizontal space-bar) in 1-pixel increments.
Show Filespace in PercentEdit
- Display your SD-card space left in percentage of its total capacity. (Toggles between this and the MB option.) OSD display element positionable in your OSD Layout Editor.
Show Filespace in MBEdit
- Displays your SD-card space-remaining in Megabytes. Toggles between this and the percentage option. (see above)
- Don't - Don't display a warning when your free SD-card space is getting low.
- Percent - Change your space remaining display to the warning color when the percentage reaches or goes below your selected "% Threshold" (see below).
- MB - Change your space remaining display to the warning color when the Megabytes reaches or goes below your selected "MB Threshold (see below).
- Setting used in conjunction with above "Warning Unit" feature. Set the amount of SD-card space percentage remaining when you want that OSD element to turn to your chosen warning color.
- Setting used in conjunction with the above "Warning Unit" feature. Set this to how many megabytes when your space remaining feature turns to your chosen warning color.
- Note: may be used in conjunction with a handy script if you need to ration the amount of photos you take on a long vacation. See this Photo Rations script.
- Displays an OSD real-time clock.
- Don't - No clock display.
- Normal - Displays HH:MM
- Seconds - Displays HH:MM:SS
- 12-hour or 24-hour format toggle. When 12-hour format is used then the chosen 12-Hour Clock AM/PM indicators are enabled.
Also influences the temperature format. 12h - Fahrenheit.
12h Clock IndicatorEdit
- PM - Displays AM or PM suffix on the OSD Clock
- P - Shorthand version of A or P for AM and PM on the OSD Clock (to save real-estate space).
- . - Ultra-shorthand version of AM or PM. Displays a simple "." after the time to indicate PM, no character is displayed for AM. Examples: 10:30 = 10:30 AM, 11:15. = 11:15 PM (note the small period after the 15).
@ Shutter Half-press ShowEdit
- Shows your OSD clock during a half-press of your shutter button (only works, if clock visibility is not set as "Don't").
- Don't - No clock display on a half-press.
- Full - Shows full clock time during half-press.
- Seconds - Only counts off the seconds in the clock display during a half-press. Handy when doing manual timings between consecutive shots without having to quickly call up some intervalometer script.
Show OSD in Review ModeEdit
- Displays your OSD when in REVIEW mode. Do not confuse this with Playback mode. Review mode is when your last taken photo is temporarily being displayed as you hold down the shutter-button (and press to lock it into Review Mode) or when you have your Canon's Menu "Review" options turned on. This allows you to keep your on-screen grid and other settings visible when reviewing the photo to see if you got the framing or other settings as you had intended.
Clear Video Params on StartEdit
- When enabled this will clear all your custom video compression settings back to the camera's own defaults on startup.
Fast Video ControlEdit
- Pause and unpause movie by pressing / while recording. Only works on a few cameras. Has bugs, needs further development.
- Note: When using fast video control switch and the pause function the remaining video-record time calculation is reset, so it reflects the change in bitrate faster.
Video Quality ControlEdit
- When enabled, by the use of the / button you can increase or decrease movie quality OR bitrate (depends on what you enabled in the video override menu) - WHILE you are recording.
Show Remaining VideotimeEdit
- Displays a positionable OSD element to show remaining video recording-time on your SD card, and/or the video bit-rate.
- Don't - No display of remaining recording time and/or video data-rate.
- hh:mm:ss - Display a clock of remaining video-recording time left.
- KB's - Display video recording bandwidth (data-rate) in Kilobytes per Second.
- Both - Display remaining video-recording time in both HH:MM:SS and video recording rate in Kilobytes per Second.
Refresh Rate (~sec)Edit
- Due to the nature of video's variable bit-rate and compression methods, subject dependent, the "Show Remaining Videotime" has to be updated regularly by re-polling the card-space and the bit-rate to come up with a fairly accurate time-remaining estimate. Choose, in seconds, how often that you want this Video-Recording time-remaining to be updated. Shorter periods of time are less accurate from each on-screen update to the next.
Disable @ Video Record?Edit
- Some cameras, the S-Series in particular, have a dedicated "Video Record" button where you can engage that and also shoot individual still-frames during video recording. It was found that RAW file-saving can interfere in this process. Turning this option on will ensure that you don't miss a shot or your video.
Disable RAW @ SportsEdit
- Disable RAW saving when your turn your mode-dial to Sports Mode. This ensures that individuals won't miss fast action sequences due to RAW file-saving time, when forgetting to disengage their RAW feature.
Disable RAW @ BurstEdit
- Disable RAW file-saving when using burst mode. Again, a handy override for those that never want to save RAW during fast burst-sequence shots.
Disable RAW @ TimerEdit
- Disable RAW file-saving when using your camera's Custom Timer mode (akin to the safety feature for the burst mode).
Disable RAW @ EV BracketingEdit
- Disable RAW file-saving when you are using any of the high-speed bracketing features.
Warn when Exception?Edit
- Displays a "RAW Disabled" OSD in your warning color when any of the RAW File-Saving Exceptions are being met and RAW file-saving is turned on.
Bad Pixel RemovalEdit
The following is only available as a patch from the Forum (by LjL, ), it is *NOT* implemented in the Juciphox aka "MoreBest" build !
- Then why is it working on my S3? Or at least it was the last time I checked. Perhaps you should clarify that it is not implemented properly on DRYOS Cams ONLY at the moment, due to their DOS 8.3 folder/filename limitations.
- Checked this in Juciphox #496, haven't found it, neither in gui.c nor in raw.c; you also can't find the string "badpixels" in diskboot.bin - so i'm fairly sure about my statement above; perhaps you're using a patched version ? Fe50 08:36, 3 September 2008 (UTC)
- Then why is it working on my S3? Or at least it was the last time I checked. Perhaps you should clarify that it is not implemented properly on DRYOS Cams ONLY at the moment, due to their DOS 8.3 folder/filename limitations.
When it will be implemented, the folder / file names should be renamed because on DryOS cameras there are only short 8.3 filenames !
Why is this being left out of all the VxWorks cameras when it's already been shown to work properly? Why remove it if it doesn't work only in the DryOS cameras? Why punish everyone else just because a rare few newer cameras can't run it? Doesn't make sense.
Answer: this feature NEVER was in any CHDK version, neither juciphox nor allbest. i guess you mixed up the "Normal bad pixels" feature with the one from ljls patch - he extended the badpixels feature as to regard the shutter speed when doing badpixel stuff. see next paragraph.
- A new feature is being implemented whereby a badpixel file will be chosen accordingly to the shutter-speed used. Here's some notes from that thread discussing this:
- the software will NOT look for the usual "badpixels" file - it will look, however, for files in a "BADPIXELS" directory Make this directory off the ROOT of your SD card. Example: if SD card is device J then J:\BADPIXELS\(numeric filename) - each file in that directory should be named as a number corresponding to the shutter speed (as reported by propcase 264 after half-shoot on DIGIC III, and I think 69 on II) Here's how to obtain the value: 1) Go to the CHDK menu, select "Debug parameters", enable "Show PropCases", and select page 26 (page 6 for Digic II case 69) Correction: use value from get_tv96 propcase. 2) Set a shutter speed (let's say 1/5s) 3) Half-press the shutter release button 4) Look at the "264:" row - if it's like my camera, it'll say "224", and that's the filename you have to use for 1/5s - the files themselves are in the usual badpixel format, but the number after the "=" is NOT ignored - if the "RAWconv" badpixel behavior is selected, it behaves as usual, but will use the badpixels file for the current shutter speed (or the closest it finds) - if the "Average" behavior is selected, it will use the number after the "=" (let's call it "bias") to determine the pixel value: value=(value-bias)*((MAXVAL+bias)/MAXVAL) * (MAXVAL-bias) + nearest_neighbors_average * bias - if no badpixels file is found for the current exposure, the one with the closest tv number is used; if there are two equally distant ones, the lower-numbered one (i.e. the one corresponding to a longer exposure) is used
Here's a list of standard shutter values for DIGIC II cameras from PropCase 69, or the uBASIC command of get_tv96 (Apparently these are the very same values/filenames needed for Digic III cameras):
speed TV96-value = filename to use 64.0" = -576 50.8" = -544 40.3" = -512 32.0" = -480 25.4" = -448 20.0" = -416 16.0" = -384 12.7" = -352 10.0" = -320 8.0" = -288 6.3" = -256 5.0" = -224 4.0" = -192 3.2" = -160 2.5" = -128 2.0" = -96 1.6" = -64 1.3" = -32 1.0" = 0 0.8" = 32 0.6" = 64 0.5" = 96 0.4" = 128 0.3" = 160 1/4" = 192 1/5" = 224 1/6" = 256 1/8" = 288 1/10" = 320 1/13" = 352 1/15" = 384 1/20" = 416 1/25" = 448 1/30" = 480 1/40" = 512 1/50" = 544 1/60" = 576 1/80" = 608 1/100" = 640 1/125" = 672 1/160" = 704 1/200" = 736 1/250" = 768 1/320" = 800 1/400" = 832 1/500" = 864 1/640" = 896 1/800" = 928 1/1000" = 960 1/1250" = 992 1/1600" = 1021 1/2000" = 1053
Hint: use "show_bad_stat.exe rawfilename.cr2" to show the luminosity values of all pixels in a dark-frame. You can see where the noise ends and warm/hot-pixels start. The value listed for 0 (zero) luminosity is how many pixels were originally mapped-out at the factory as bad.
The program "show_bad_stat.exe" may be obtained from the Tools section from http://tinyurl.com/chdkfiles (original file, provided by ewavr)
IMPORTANT: At this time the badpixels files can't be longer than 4096 bytes. Any pixels listed over that limit won't be filtered out.
Load Default Param ValuesEdit
- CHDK normally saves your last user-selected script parameters from one session to the next. Press when your menu cursor is on this option resets them to the default parameters as programmed into the script when first ran. A simple way to go back to a script's defaults after you've gotten hopelessly lost in many changes or just need a quick way to return to base settings.
- Allows for the selection of 0 to 9 (ten) optional parameter sets for each script. If you select a new Parameter Set and then change your user-setting script parameters, CHDK will now remember your settings for each set. (The script parameter sets are saved in a CHDK/DATA/ directory named by the script in use at the time.) Now you can have up to 10 favorite settings for any one script. The next time you load the same script your favorite defaults can be called-up by just selecting numbers 0 to 9.
(This is my understanding of how the new curve feature works. If some of this is in error please correct it.)
- Enables the use of custom "curve" profiles to adjust the exposure of your RAW and JPG images. Please read this long thread Custom processing for JPEG (Tone curve, CA ...) at the CHDK Forum for its full functions and use. As well as downloading a custom-curve editor (PC) to create your own profiles. (You must have an account there to download any attachments on the posts.)
- For those of you new to curve adjustments to exposures there's a nice little overview to what they do and how they might affect an image in this Curve Anthology
- Difference between CV and CVF curves:
- CV curves are the standard RGB curves.
- CVF curves are special versions of the curves which intends to avoid color shift side effect of the RGB curves. They are an approximation of the luminance curves.
- Except the SYSCURVES.CVF file it is recommended to put the curves files in the \curves directory.
- None - No curve profile is applied.
- Custom - Your custom curve profile is applied as-is.
- The following three options requires that you have a SYSCURVES.CVF file in your /CHDK folder, this file is included in the "complete" CHDK packages. It is also contained in a file named CurveUpdate.zip from this post which also contains the editor.
- → Due to the limitation to short 8.3 file names in the file browser of current DryOS-based cameras the file "SYSCURVES.CVF" should be placed on the memory card by a card reader; in the CHDK file browser the file name is shown in shortened format as "SYSCUR~1.CVF".
- +1EV - Increases shadow detail by 1EV step.
- +2EV - Increases shadow detail by 2EV steps.
- Auto DR (auto dynamic range):
- Auto DR with Zebra is intended to be use for the direct application of the curves to the shot - and not for post processing (the feature is just mimic of the Fuji S100 +200, +400 Dynamic Range). The flow is:
- Activate Zebra display
- Activate Auto DR
- Use the camera EV negative compensation to reduce the Zebra overblown highlights shown on screen. I used the (+/-) button on the back of the camera.
- Take the shot. You will directly get the JPG without post processing. The luminance of the darker areas will be raised while the highlight is compressed.
- During the RAW develop process, you need to set the EV comp to the value that you used to reduce the high light blown out when you took the RAW. I don't use much in camera develop since it is a tricky art there (specially for WB issues).
- If the scene does not require you to reduce exposure to avoid blown highlights, the Auto DR feature does not do anything.
Load Curve ProfileEdit
- Load your desired curve profile from your \CHDK\CURVES folder. All curve profile files except for SYSCURVES.CVF should be in this folder.
- Toggles your remote USB cable detection state, both scripted and scriptless.
- Scriptless remote uses whoever's simple code. When this is enabled you may use your camera normally without any script and still use your USB Remote Cable to trigger the shutter. Have your camera in normal Record mode and NOT in <ALT> mode. This is the same as if you pressed the shutter manually in all normal camera operations.
- NOTE on scriptless usage: You may first perform a half-press to auto-focus and set exposure with a short press of your USB Remote trigger, The second press will then perform a full shutter-press. If you want to trigger a full shutter-press immediately just hold down your USB Remote button a little longer. Or more precisely explained by the author of this: "... if USB Remote is enabled, pressing/releasing remote button is equivalent to pressing/releasing the shutter halfway. To take a shot, do a "reversed click", i.e. momentarily release and again depress the remote button whithin 0.5s, which will "push" the shutter all the way."
- Note: On some (all?) cameras the scriptless USB Remote trigger may be used to advance (in reverse order) from frame to frame in Playback mode. Now when giving a slide-show lecture you can stand away from the camera and just click the photo change button. :)
Enable Synchable RemoteEdit
- Enables synchable scriptless remote code originally used in StereoData Maker.
- Used to synchronize 2 or more cameras when all hooked to the same USB-Remote signal.
Enable Sync DelayEdit
- Allows you to fine-tune your USB-Remote triggering speed to match that of other cameras when using more than 1 camera. (For stereo imagery, multi-frame stop-action matrix effects, etc.) Rate of delay is adjusted with the settings below.
Sync Delay 0.1msEdit
- USB-Remote Sync delay in 0.1ms increments (1/1000th of a second).
Sync Delay 0.1sEdit
- USB-Remote Sync delay in 0.1s increments (1/10th of a second).
Enable Remote ZoomEdit
Zoom Time-out 0.1sEdit
- (add notes about new warning and display colors for all newer features)
With this function the RAW files can be deleted in 3 different ways... 
Caution: Erasing files in the camera is an irreversible operation !
The first step is to delete the JPG outtakes in playback mode (using Canon's interface).
- Now you have 3 options to use Purge RAW function and erase the corresponding RAW files:
1.) Delete all RAW files in DCIM folder including subfolders
- You keep a separate folder for RAW files.
- You set up the camera to create a new folder everyday (several days trek, holydays etc).
- You want to erase the occasional mischievous RAW file stored in a different folder.
Go to CHDK File Browser, select DCIM folder, push thebutton to display the popup menu and select "Purge RAW" (See photo 1). A warning will ask you to confirm (See photo 2) and voila! You have regained some SD space.
This feature will search through all the folders in DCIM looking for a RAW file (CRW/CR2 prefix or file extension) and if it finds one then will look for its JPG partner anywhere inside DCIM (comparing the 4 digit number assigned by the camera). If it is not found, the RAW file is erased.
2.) Delete all RAW files in a selected folder
- You keep RAW files in the same folder as JPG files
- You only want get rid of some RAW files. (Very important shots in some other folder).
- You know which folder has a lot of outtakes.
Go to CHDK File Browser and inside DCIM folder select the folder you want (E.g. "102CANON") and push thebutton to display the popup menu. Select "Purge RAW". A warning will ask you to confirm and all the RAW files in ONLY that folder will be erased.
This option works like the previous one but only on the selected Canon folder, the rest are untouched.
3.) Delete some or all RAW files in a list.
- You want to protect specific RAW files (to use them later for HDR)
Go to CHDK File Browser, enter DCIM folder, enter a sub folder (E.g. "102CANON") push thebutton to display the popup menu. Select "Purge RAW" (See photo 3). A warning will ask you to confirm and all the RAW files (See photo 4) will be gone.
Now the useful thing of this option is that you can mark the RAW files you DON'T want to erase (protect files). The Purge RAW function will erase the rest of the RAW files ignoring the marked ones.
Debug data displayEdit
- shows debug data on the LCD, values are [None],
- [Props] -> show PropertyCase variables
- The values are generally shown unsigned - that's because the propcase viewer doesn't know whether a value is supposed to be signed or unsigned, and treats everything as unsigned. "65152" is just the same value as "-384" when considered as an unsigned short rather than a signed short.
- [Tasks] -> shows the task list, only on VxWorks cameras
- each page shows 10 values
ALT +/- debug actionEdit
- Action for the key (on Ixus series is used instead)
- values are [None],
- [Dmp RAM] -> a complete memory (RAM) dump will be written to the SD card
- [Page] in this mode the page shown in the propcase viewer can be changed (double-press changes the paging direction (up/down))
Create card with two partitionsEdit
- This feature is not available on all DryOS cameras
- BEWARE: This may DELETE ALL data on the card !
- This feature is used with SDHC cards > 4GB, on supported cameras (needs multi partition support) it will create a small FAT16 partition with a size of 2MB for CHDK and a big partition with FAT32 format to store the images. On such a prepared card the camera boots up CHDK from the small partition, then the partitions gets automatically swapped, this way the full capacity of the FAT32 partition can be used.
- The partitions are not shown correctly under MS Windows, only one of the two partitions is shown, to access the other partition without a special system driver the partitions should be swapped with "Swap partitions".
- This option creates a 2 MB FAT partition on the card, that's fixed on the code for now. You need to copy the CHDK firmware extensions to this partition and load them. Then select "make card bootable" in "Miscellaneous stuff", so it does not complain when you write-protect the card.
- Next step is to select "swap partitions" on "Miscellaneous stuff", this will hide this small partition and make the big FAT32 one visible. We need to format it, and copy CHKD firmware extensions to it too, so we can perform "swap partitions" again. So format it in FAT32, copy CHDK, insert it on the camera ad load CHDK. Select "swap partitions" and "make card bootable", write-protect the card and power-cycle the camera.
- It should now load CHDK from the small 2 MB partition, but have access to the big FAT32 partition to store pictures, RAW files or books.
- The size of the 1st partition is fixed to 2MB in the code (not changeable in the CHDK menu), but you can change it there & compile your own build.
- In the current sources (changeset #526) in function create_partitions: start=1; length=2*1024*1024/SECTOR_SIZE; //2 Mb so the 1st partition will always be created with a fixed size of 2 MB !
- The 2nd partition use the rest of the card's capacity: start=start+length; length=drive_sectors-start-1;
- Normally the creation of a partition deletes all data on the card, the swap command should not delete any data, but you should first test this !
- Since i haven't a VxWorks based cam with multi partition support i can't test the rest, must be clearified by somebody else...
- The partitions can also be created manually with a card reader, the 1st partition must be <= 4GB and formatted with FAT16. Fe50 11:30, 29 September 2008 (UTC)
- This feature is not available on all DryOS cameras
- Swaps the partitions to use the currently not active partition
→See also Script commands for a list of new and/or changed scripting commands !